K3's Astronomy - Deep Sky
"When I consider your heavens, the work of your fingers, the moon and the stars which You have set in place, what is Man that You are mindful of him?" -- Psalm 8:3,4

M31 - The Andromeda Galaxy - More pictures

Date: 11.11.2001
Time (0:29 UT)
Objective: 2/50 Flexon
Camera: Philips Vesta 675SC at photo tripod
Focal ratio: F2
Exposure: 20x5s (gain 100%), 25xDF
Capture and stacking: K3CCDTools
Resolution: 23.1 arcsec/pixel (small images have 46.2"/pixel)
Seeing: limiting magnitude for naked eye 4.5
Location: balcony in urban site

Here are more results get by various post processing of the same AVI source:

Light histogram setting.

Hard histogram setting - not very smooth, but more details of M31 structure are visible.
Gamma 0.2 was used before applying histogram settings.

Black & White processing + a little blur

Negative image

Back to M31 page

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Last Update: 15.11.2001