Supernova Remnant in Gemini

Uploaded 3/11/2001

This beautiful Supernova Remanent in Gemini is extremely dim, with a low surface brightness. Detail can be seen down to the arcsecond level, with countless wisps of thin intertangled nebulosity glowing red from Hydrogen Alpha emission. Since this object just barely fits the field, careful composition was required for the best effect.

Instrument:  12.5" f/5 Home made Newtonian
Camera:  Pentax K1000, Auto guided with ST-4
Exposure:  LRGB = Luminosity 90 minutes on Hypered 2415, RGB derived from two 45 min exposures on PJ400
Location:  Payson, Arizona
Elevation:  5150 ft.
Sky:  Seeing 8/10, Transparency 8/10
Outside Temperature:  25 F
Processing:  Photoshop, PW Pro.

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