NGC 7635  Bubble Nebula  Cassiopeia

Date:            10/19/2007

Location:
      Tierra Del Sol, California

Conditions:  40% moon, seeing 6/10, transparency 6/10, temperature 55-65F, very dry night, wind 5-15mph.

Telescope:    TV85, 600mm, F7, 2" extension, no diagonal

Mount: 
         Losmandy G11, Gemini goto, polar scope used to align.

Guiding:        Celestron C8, .63 focal reducer, prime focus, no diagonal., camera The Images Source 24AF04.AS,   PHD software

Camera:
       Canon 300D prime focus

Focusing:    focused on star using 2.5 right Canon magnifier.

Exposures:  (9) 4 min RAW, 800 ISO, 6 darks, 6 bias, 0 flats

Processing:
  IP2.82 converted & calibrated raw to FITS, align-rotate, combine median, PS CS , rotated, cropped, white balance, black point, sky neutralized, curves, hue-saturation, adjustment show/highlight,  SMI routine,  reduced size for web.

Comments: Tracking is good on this shot.  I need to do this shoot again using the C8 without focal reducer.  The TV85 did not have enough magnification.  I cropped severely.