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Swansea Astronomical Society Blog

Tuesday, February 14, 2017

 

M1, The Crab Nebula

Celestron 9.25 SCT AVX, .63 Celestron Focal Reducer, 30 runs at 120 secs exposures captured with the Orion G3 DeepSpace Colour CCD camera, then 13 processed in Orion Studio Software and then in Adobe Elements 11.

M1 Crab Nebula




Colin Miles

Monday, February 13, 2017

 

The Orion Nebula with a ZWO ASI120MC and an 80mm ED refractor

An f/5.5, 80mm, ED refractor was mounted on an iOptron Cube Pro, AZ, GOTO mount. A ZWO ASI120MC camera was placed at the prime focus and  Sharpcap was used under Windows to capture 16 bit SER files of long exposures of the Orion Nebula and matching dark frames. 5s 7s, 10s and a 15s SER files were stacked in Autostakkert! 2.6 in Wine The resulting 16 bit TIFF files were processed in The Gimp 2.9 under Linux Mint. Then the images were combined with de-rotation in Picture Window Pro 2.5 in Wine, Under Linux Mint as the software no longer works under Windows. The resulting file was processed in the Gimp 2.9.
The Orion Nebula

Steve Wainwright

Sunday, February 12, 2017

 

Reiner, Reiner Gamma, Kepler, Palus Somni, Proclus Tycho

Full Moon
Celestron 9.25 SCT AVX, ZWO ASI120MC-S camera, about 3000 images captured in Sharpcap, 500 stacked and aligned in AutoStakkert!2.3, wavelets in Registax 6, then edited in Adobe Elements 11

Kepler, Reiner and Reiner Gamma 

Reiner and Reiner Gamma 

Celestron 9.25 SCT AVX, ZWO ASI120MC-S camera, about 9000 images captured in Sharpcap, 1000 stacked and aligned in AutoStakkert!2.3, wavelets in Registax 6, then edited in Adobe Elements 11
Proclus and Palus Somni

Tycho

Colin Miles

Friday, February 10, 2017

 

33% phase Venus and Reiner Gamma Lunar swirl

A Skymax 127 Maksutov was mounted on an iOptron Cube Pro, AZ, GOTO mount. A DFK 21AU04.AS camera was fitted with a 2.5x Barlow and placed in the Maksutov. AstroDMx Capture for Linux was used with a Linux Mint laptop to capture a 1000 frame SER file. The SER file was stacked in Autostakkert! 2.6.8 in Wine and the resulting 16 bit TIFF was wavelet processed in Registax 5.1 in Wine. The image was post processed in the Gimp 2.9.

Screenshot of AstroDMx Capture

Venus

A DMK 21AU04.AS camera was used with the Skymax 127. A 2000 frame SER file was captured of the Kepler region of the Moon in AstroDMx Capture for Linux. The SER file was stacked in Autostakkert! 2.6.8 in Wine and the resulting 16 bit TIFF was wavelet processed in Registax 5.1 in Wine. The image was post processed in the Gimp 2.9.

Kepler and the Lunar swirl, Reiner Gamma

Steve Wainwright and Nicola Mackin

Thursday, February 9, 2017

 

Lunar craters

Celestron 9.25 SCT AVX, ZWO ASI120MC-S camera, about 3000 images captured in Sharpcapture, 500 stacked and aligned in AutoStakkert!2.3, wavelets in Registax 6, then edited in Adobe Elements 11

69% Waxing Moon
Clavius

Copernicus

Walled Crater Fra Mauro where Apollo 14 was based - craters Parry and Guericke

Herschel, Ptolemaeus, Alphonsus, Arzachel

Plato 

Colin Miles

Wednesday, February 8, 2017

 

The Copernicus region with Linux

A Skymax 127 Maksutov was mounted on an iOptron Cube Pro, AZ, GOTO mount. A Lucky Zoom microscope camera was fitted with a Moon filter and placed at the focus of the scope. A 200 frame SER file was captured using AstroDMx Capture for Linux on a Linux Mint laptop. The SER file was stacked in Autostakkert!2 in Wine and the resulting 16 bit TIFF file was wavelet processed in Registax 6 and post processed in the Gimp 2.9. Click on an image to get a closer view.

Screenshot of AstroDMx Capture for Linux, capturing the SER file

The final image of the Copernicus region

Steve Wainwright and Nicola Mackin

Sunday, February 5, 2017

 

Lunar studies with a ZWO ASI120MC camera

Before implementing in AstroDMx Capture for Linux, a ZWO ASI120MC camera was tested under Windows.
A Skymax 127 Maksutov was mounted on an iOptron Cube Pro, AZ, GOTO mount and a ZWO ASI120MC CMOS USB camera was placed at the prime focus. Several overlapping areas were imaged using Sharpcap. Tha camera has a 12 bit ADC and the capture software was set to capture 16 bit RAW images. 1000 frame, 16 bit SER files were captured. The SER files were stacked in Autostakkert! 2 and wavelet processed in Registax 6. The overlapping images were combined in MIcrosoft ICE. The resulting images were post processed in the Gimp 2.9
Click on an image, and click again to get a closer view.


Steve Wainwright and Nicola Mackin

Saturday, February 4, 2017

 

The Event Horizon Telescope - Imaging the Galaxy's Supermassive Black Hole

Thursday 09/02/2017
7pm
Society lecture
Dr Rhodri Evans of Cardiff University will talk on 'The Event Horizon Telescope - Imaging the Galaxy's Supermassive Black Hole'
Fulton House Lecture Room 2

 

Star Party at the National Botanic Garden for Wales on Feb 3rd.

Despite a blizzard at the start, the very early arrival of Ammanford Cubs and the arrival of only half dozen other people, it was really quite successful.  Paul Smith, head of education at the National Botanic Garden of Wales had several different types of telescope on display and showed the cubs how they worked.  Howard then gave them a talk and Brian Spinks followed that up with another on the Sun. Alison and Phil later entertained them with their craft activities, Alistair and Andrew explained their displays, Rod,  Anne and Jim helped someone put their telescope together and explained how it worked and gave advice to some later arrivals on buying scopes. As we were finishing, the clouds parted sufficiently for Paul to show some of the cubs the Moon and Orion Nebula through a 4inch telescope. The cubs and their leaders had a very enjoyable and educational evening.

Photographs from the event











Photographs by Alistair Vowles

Colin Miles
 

Thursday, January 26, 2017

 

Stonehenge 1 Decoded, an eBook by Roger Davies

Roger Davies, Swansea Astronomical Society member has published an eBook entitled
Stonehenge 1 Decoded
You can find the eBook here

Steve Wainwright

 

A sad loss to the Swansea Astronomical Society

I am sad to report that Prof Hugh Jones, long standing member of the Swansea Astronomical Society and distinguished scientist from Swansea University and other universities around the world, has passed away.

Hugh talking to the Swansea Astronomical Society in 2013 on the subject of Invisibility. 


RIP Hugh.

Wednesday, January 25, 2017

 

The Sun in H-alpha snd Ca K-line light

In turn, two solar telescopes were mounted on an iOptron Cube Pro mount and aligned with the Sun. The scopes were a Coronado Solarmax ll, 60 BF 15, H-alpha scope and a Coronado CaK, Ca K-line solar scope. With each scope, 4 overlapping areas were imaged and SER files were captured (1500 frames for H-alpha and 500 frames for Ca K-line). Nicola Mackin's AstroDMxCapture for Linux was used with a DMK 21AU04 AS camera, to capture the SER files. The SER images were stacked in Autostakkert!2 in Wine. The resulting images were wavelet processed in Registax 6. The overlapping panes were combined with Autostitch in Wine. Also the Active region AR2629 was very bright and was imaged along with a prominence, using a x2 Barlow.

AR2628

Screenshot of AstroDMx Capture for Linux capturing a H-alpha SER file

H-alpha

Ca K-line

The H-alpha and Ca K-line images were combined in Picture Window Pro 2.5 running in Wine.
H-alpha + Ca K-line

Steve Wainwright

Monday, January 23, 2017

 

45% phase Venus with Linux

A Skymax 127 Maksutov was mounted on an iOptron Cube Pro AZ, GOTO mount. A DFK21AU AS Camera with a 2.5 Barlow was placed at the focus. AstroDMx Capture for Linux was used to capture a 1500 frame SER file of the 45% phase Venus. The SER file was stacked in Autostakkert!2 in Wine and wavelet processed in Registax 5.1 in Wine. The final image was post processed in the Gimp 2.9.






Steve Wainwright and Nicola Mackin

 

The Sun in white light with a Bridge camera

A static tripod mounted Panasonic Lumix DMC-FZ72 bridge camera at 60x optical zoom, fitted with a Baader solar filter, was used to image the Sun. The camera was set to burst mode, ISO-100 and 1/800s exposure at f/5.9. Images were captured in bursts of three. 138 images, precisely cropped and registered in Nicola Mackin's AstroCrop for Linux were stacked and wavelet processed in Registax 5.1 in Wine Post processing was done in the Gimp.
Click on the image to get a closer view:







Steve Wainwright

Saturday, January 21, 2017

 

M51

Telescope: Altair Astro Ritchey Chretien 6 inch on iOptron IEQ30Pro mount.

Camera SXVR 694.

10x3 min luminance, 8x3 min each RGB? All binned because of the long focal length. Altair Astro Lightwave 0.6 focal reducer used.

Stacked in Maxim DL and further processed in Photoshop CC and Lightwave mobile.


Anne Startup
 

Deep Sky drawings

130 mm refractor and a Watec camera as an electronic eyepiece











Jim Startup

 

47% waning Moon

Celestron 9.25 SCT AVX, ZWO ASI120MC-S camera, about 3000 images captured in Firecapture, 500 stacked and aligned in AutoStakkert!2.3, wavelets in Registax 6, then edited in Adobe Elements 11

Copernicus and Kepler

Ptolemaeus, Alphonsus Arzachel, Thebit, Purbach, Regiomontanus, Rupes Recta

Thebit, Rupes Recta, Purbach, Regiomontanus, Deslandres, Hell

Celestron 9.25 SCT AVX, 2xTelevue Barlow, ZWO ASI120MC-S camera, about 3000 images captured in Firecapture, 500 stacked and aligned in AutoStakkert!2.3, wavelets in Registax 6, then edited in Adobe Elements 11

Archimedes

Clavius, Blancanus, Greumberger

Alphonsus, Alpetragius, Arzachel

Colin Miles

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