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Contains:  IC 435, NGC 2024, NGC 2023, Horsehead nebula, IC 434, The star Alnitak (ζOri)
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Flame and Horse nebula in H-alfa, 


            Eduardo Oliveira
Flame and Horse nebula in H-alfa

Flame and Horse nebula in H-alfa

Technical card

Imaging telescope or lens:Megrez 90

Imaging camera:Atik 314L+ Mono

Mount:Orion Atlas EQ-G

Guiding telescope or lens:Megrez 90

Guiding camera:ZWO ASI 120 MM

Focal reducer:Televue TRF-2008

Software:Maxim DL 5 MaximDL 5EQASCOM

Filter:Baader Planetarium H-Alpha 7nm 1.25"

Accessory:ATIK EFW2

Resolution: 1371x1029

Dates:Oct. 13, 2015

Frames:Baader Planetarium H-Alpha 7nm 1.25": 36x300" -10C bin 1x1

Integration: 3.0 hours

Darks: ~25

Flats: ~20

Bias: ~20

Avg. Moon age: 0.45 days

Avg. Moon phase: 0.23%

Bortle Dark-Sky Scale: 4.00 job: 818333

RA center: 85.323 degrees

DEC center: -2.180 degrees

Pixel scale: 2.883 arcsec/pixel

Orientation: 83.307 degrees

Field radius: 0.686 degrees

Locations: Backyard (Diamantina, MG, Brazil), Diamantina, Minas Gerais, Brazil

Data source: Backyard


This is the H-alfa information of whats supposed to be an HaRGB final image. I am having a hard time combining it with the RGB files, so I thought I would post at least the Ha image.



Eduardo Oliveira
License: None (All rights reserved)

Sky plot

Sky plot


Flame and Horse nebula in H-alfa, 


            Eduardo Oliveira