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Contains:  IC 4601, IC 4592, The star νSco, The star ω2Sco, The star ω1Sco
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Blue Horsehead Nebula from Negev Desert

Technical card

Resolution: 2194x1815

Dates:June 15, 2018June 27, 2019July 5, 2019

Frames:Baader UV/IR-Cut 2": 110x180" -15C bin 1x1

Integration: 5.5 hours

Avg. Moon age: 9.68 days

Avg. Moon phase: 14.78%

Bortle Dark-Sky Scale: 2.00

Temperature: 20.00 job: 2801166

RA center: 243.659 degrees

DEC center: -19.509 degrees

Pixel scale: 6.202 arcsec/pixel

Orientation: 178.935 degrees

Field radius: 2.453 degrees

Locations: Negev Desert, Mitzpe Ramon, Israel

Data source: Traveller


First light from FSQ 130ED: a test run with 2-panel mosaic left me much less data than planned. Still, the quality of this fast system allowed me to pull out some details from the data. This image is scaled by x0.5, as original one was very large.



Leo Shatz
License: Attribution-NonCommercial Creative Commons



2-part mosaic of Blue Horsehead reflection Nebula, based on combined data from 3 nights in 2018 and 2019 that I collected in Negev Desert. Due to its low altitude at my geographical location I had to dedicate 3 nights to get the data. Somehow, hunting for Blue Horse falls on the season of camels herd wandering in the desert just nearby, so I could rightfully name this object the Blue Camel Nebula ;) It appears that what looks like a single star right at the Horse Blue Eye, in most of existing images of the Blue Horse Nebula I've seen - are actually two blue stars, as you can see in my version. A blue light on the left edge is not an artifact but leaked light from a nearby blue star outside frame of view.

Sky plot

Sky plot


Blue Horsehead Nebula from Negev Desert, 


            Leo Shatz