IC1805 HyperStar "1st Light"

Test image after installing a HyperStar unit on my 11" Celestron EdgeHD. This lens converts the F/10 telescope to F/2. Typically my sub frames would be 20-30 minutes each at F/10, I used 5 minutes each with the new setup at F/2

 

Camera: QHY23M

Mount: CGEM-DX

 

HA- 10 subframes x 300 seconds each- mapped as green channel

OIII- 10 subframes x 300 seconds each- mapped as blue channel

SII- 10 subframes x 300 seconds each- mapped as red channel

 

2h 30m total

 

IC1805 aka the Heart Nebula is an emission nebula located in the constellation of Cassiopeia about 7500 light years away.

In the center of this image is a "knot" known as Melotte 15. I imaged this region using this telescope at F/7 resulting in a smaller FOV seen here: flic.kr/p/p8BWvp

 

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Done