Helix Nebula NGC 7293 ==>> Ha + OIII image

Helix Nebula -- Ha + OIII
North is at the TOP
Ha , OIII images 19, 23 x 600s exposures ( 7 hrs total)
GAIN 300 Offset 50 Sensor Temp -20 C
Scope : 155mm F/7.5 AP EDF
on a Losmandy TITAN w/ GEMINI 2 using Lodestar X2 and PHD2 and SGPro
Dark Frame = Average of 40 images
Images stacked using IMAGES PLUS 6.5

Copyright 2017 Brad D Wallis
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