Celestial hemisphere:  Southern  ·  Constellation: Orion (Ori)  ·  Contains:  48 sig Ori  ·  50 zet Ori  ·  Alnitak  ·  B33  ·  Flame Nebula  ·  Horsehead nebula  ·  IC 431  ·  IC 432  ·  IC 434  ·  IC 435  ·  LBN 944  ·  LBN 946  ·  LBN 950  ·  LBN 953  ·  LBN 954  ·  LBN 958  ·  LBN 962  ·  LBN 965  ·  LDN 1635  ·  LDN 1636  ·  NGC 2023  ·  NGC 2024  ·  Orion B  ·  Sh2-277  ·  The star Alnitak (ζOri)  ·  The star σOri  ·  VdB51
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Horsehead nebula, Duane Melvin
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Horsehead nebula

Getting plate-solving status, please wait...
Horsehead nebula, Duane Melvin
Powered byPixInsight

Horsehead nebula

Equipment

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Acquisition details

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Description

Ambient temp 27F   electric socks!

480 Second subs x 17   at 102 gain   G26 color APS-C format 16-bit camera cooled to -10C
L extreme filter  dual bandpass 6nm Ha OIII

72x420 APO refractor with 0.8x flattener reducer
EQ6R PRO Mount

80mm x300mm guide scope with Orion Starshoot Autoguider TM 
ST4 cable direct to mount
PHD2

Svbony heaters on flattener and aperture end of the main scope

QHY CCD Polemaster exact NCP alignment camera/system
Synscan hand controller 

APT image capture and sequencer
Deep sky Stacker
PS

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Horsehead nebula, Duane Melvin