Celestial hemisphere:  Southern  ·  Constellation: Orion (Ori)  ·  Contains:  48 Ori  ·  48 sig Ori  ·  50 Ori)  ·  50 zet Ori  ·  Alnitak  ·  B33  ·  Flame Nebula  ·  Horsehead nebula  ·  IC 431  ·  IC 432  ·  IC 434  ·  IC 435  ·  LBN 940  ·  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  ·  PGC 147594  ·  PGC 147737  ·  PGC 178596  ·  PGC 178620  ·  And 14 more.
Getting plate-solving status, please wait...
Horsehead Nebula Region, Roland Christen
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Horsehead Nebula Region

Getting plate-solving status, please wait...
Horsehead Nebula Region, Roland Christen
Powered byPixInsight

Horsehead Nebula Region

Equipment

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Acquisition details

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Description

Testing the resolution capability of the AP 110mm GTX scope at 550mm focal length in poor to fair seeing conditions in Bortle 2 skies.

Telescope:  AP 110 GTX with F5 TCC
Mount:        AP 1600 Encoder mount
Camera:      ZWO 6200 MM Pro
Filter:           ZWO 7nm H-a
Exposure:   50 x 300 sec
Software:    MaximDL, Photoshop, Croman StarX. Croman BlurX2, Croman NoiseX

Newly processed image using all 50 sub-exposures which ranged from 1.6 arc sec to 3.5 arc sec FWHM.
After combining and processing in BX,2 the star resolution improved to 1.3 arc sec FWHM

Comments

Sky plot

Sky plot

Histogram

Horsehead Nebula Region, Roland Christen