new icn messageflickr-free-ic3d pan white
M31, M32, M110 (#2) | by s58y
Back to photostream

M31, M32, M110 (#2)

Subject: M31, M32, and M110 -- Andromeda Galaxy

 

Image FOV = 3 degrees (180 min) by 2 degrees (120 min)

 

Image Scale = 7.5 arc-second/pixel

 

Date: 2006/11/21 and 2006/11/24

 

Exposure: 86 x 4minutes = 5h44m total exposure, ISO800, f/4.8

 

Filter: IDAS LP filter

 

Camera: Hutech-modified Canon 30D

 

Telescope: SV80S 80mm f/6 + TV TRF-2008 0.8X reducer/flattener = 384mm FL, f/4.8

 

Mount: Losmandy G-11

 

Guiding: ST-402 autoguider and SV66 guidescope. MaximDL autoguiding software using 1-second guide exposures

 

Processing: Raw conversion and calibration with ImagesPlus (dark frames only, no bias or flat frames); Aligning and combing with Registar; Levels, curves, crop/resize, JPEG conversion with Photoshop CS.

 

Remarks: temperature at end: 22F on 2006/11/21 and 33F on 2006/11/24

 

 

 

 

5,562 views
3 faves
4 comments
Taken on September 29, 2007