Horsehead M78 Horsehead

(Click on image for Full Resolution)

(Click here for my Vixen 102F/ST-8E image from 01/11/2002)

Date: December 15, 2003
Exposure: LRGB - 210:150:150:270
42 x 300s L, 10 x 900s R,G, 18 x 900 B
Processing: CCDSoftV5 for image acquisition, MaxIm for Image calibration, alignment, and normalization. 16 flats Sigma Reject combined, 40 bias frames median combined, 20 1800s darks median combined. Photoshop CS for LRGB combine, final color balance and jpg conversion.
Conditions: Average
Scope: AP155EDF @ f/7
Camera: SBIG ST-8XE/CFW-8A, -25°
Comments: This was collected over several nights with varying seeing conditions. The luminance exposures were limited to 5 min due to the increase in blooming as I went longer.