Messier 66

Object

One of the members of the leo triplet.

Equipment

Telescope: 12" F5.3 Newton
Mount: EQ6 Skyscan
Camera: SBIG ST7e ABG
Filters: none

Circumstances

Date: 26 January 2006
Location: Steenbrugge
Weather: Clear sky, -5°C
Temperature CCD: -30°C

Technique

Technique: B/W
Exposure: 75 min
Processing:
25x 3 min subframes
Flat, dark bias automatic subtraction: Aligned en add-combined in ccdsoft
Deconvolution of 3 iterations in CCDsharp
Strong ddp
Stretched
Levels, blur and Unsharp mask in Photoshop
Small noise reduction in NeatImage

Comments

The transparency en the seeing were bad this night. My mount also suffers from the extreme cold.