Hemisphere:  Northern  ·  Constellation: Cepheus (Cep)
Getting plate-solving status, please wait...
Elephant's Trunk - Hi Res - Ha - CDK12.5, 



    
        

            Rouzbeh
Elephant's Trunk - Hi Res - Ha - CDK12.5
Powered byPixInsight

Elephant's Trunk - Hi Res - Ha - CDK12.5

Getting plate-solving status, please wait...
Elephant's Trunk - Hi Res - Ha - CDK12.5, 



    
        

            Rouzbeh
Elephant's Trunk - Hi Res - Ha - CDK12.5
Powered byPixInsight

Elephant's Trunk - Hi Res - Ha - CDK12.5

Technical card

Imaging telescopes or lenses: Planewave CDK 12.5

Mounts: Astro-Physics AP1100 GTO CP4

Focal reducers: Planewave Instruments 0.66x Reducer

Software: NINA - Nighttime Imaging ‘N’ Astronomy  ·  PixInsight 1.8.6 Ripley Pisinsight 1.8

Filters: Chroma 3nm H⍺


Dates:Sept. 15, 2021

Frames:Chroma 3nm H⍺: 52x300" (4h 20') bin 1x1

Integration: 4h 20'

Avg. Moon age: 9.14 days

Avg. Moon phase: 68.24%


Basic astrometry details

Astrometry.net job: 5012124

RA center: 21h35m20s.9

DEC center: +57°2924

Pixel scale: 0.574 arcsec/pixel

Orientation: 269.241 degrees

Field radius: 0.479 degrees


Resolution: 3341x5002

Data source: Backyard

Description

A Higher resolution version with Hydrogen Alpha 3nm data only.

This is for a bit of pixel peeping fun.



Equipment:
Taken with the CDK12.5 and the PW 0.66 reducer from our backyard over 3 nights through semi-cloudy skies.

The AP1100GTO performed admirably, tracking the target unguided  through the clouds and allowing data to be captured throughout the night. The subs(exposures) blocked by clouds were then deleted.

The QHY268m  with its very low Read Noise and very high quantum efficiency is a perfect candidate for the task.


The Elephant's Trunk Nebula is interstellar gas and dust about 2,400 light years away from Earth.
The bright rim is the surface of the dense cloud that is being illuminated and ionized by a very bright massive star. The entire region is ionized by the massive star, except for dense globules that can protect themselves from the star's harsh ultraviolet rays.

The combined action of the light from the massive star ionizing and compressing the rim of the cloud, and the wind from the young stars shifting gas from the center outward lead to very high compression in the Elephant's Trunk Nebula. This pressure has triggered the current generation of protostars (young stars being born).

Comments

Sky plot

Sky plot

Histogram

Elephant's Trunk - Hi Res - Ha - CDK12.5, 



    
        

            Rouzbeh