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Astronomy - Open Clusters
![](javascript:openlightbox(0,0,"0- NGC 4755 (Jewel Box open cluster) 06-07-2023 150mm reflector 750mm focal length 83x magnification 4s exposure ISO 300 17 stacked pictures with Siril--data-separator--38.png") "0- NGC 4755 (Jewel Box open cluster) 06-07-2023 150mm reflector 750mm focal length 83x magnification 4s exposure ISO 300 17 stacked pictures with Siril--data-separator--38.png")
![](javascript:openlightbox(0,0,"C100 (a) Running Chicken Nelula region 27-04-2024 150mm focal length 23X magnification 7s exposure ISO 500_48 stacked pictures with Siril circular crop --data-separator--1.png") "C100 (a) Running Chicken Nelula region 27-04-2024 150mm focal length 23X magnification 7s exposure ISO 500_48 stacked pictures with Siril circular crop --data-separator--1.png")
![](javascript:openlightbox(0,0,"C100 (b) Running Chicken Nelula region 27-04-2024 150mm focal length 23X magnification 7s exposure ISO 500_48 stacked pictures with Siril circular crop--data-separator--2.png") "C100 (b) Running Chicken Nelula region 27-04-2024 150mm focal length 23X magnification 7s exposure ISO 500_48 stacked pictures with Siril circular crop--data-separator--2.png")
![](javascript:openlightbox(0,0,"C100 (b) Running Chicken Nelula region 27-04-2024 150mm focal length 23X magnification 7s exposure ISO 500_48 stacked pictures with Siril crop--data-separator--3.png") "C100 (b) Running Chicken Nelula region 27-04-2024 150mm focal length 23X magnification 7s exposure ISO 500_48 stacked pictures with Siril crop--data-separator--3.png")
![](javascript:openlightbox(0,0,"C100 (c) Running Chicken Nelula 27-04-2024 150mm focal length 38X magnification 7s exposure ISO 500_50 stacked pictures with Siril crop--data-separator--4.png") "C100 (c) Running Chicken Nelula 27-04-2024 150mm focal length 38X magnification 7s exposure ISO 500_50 stacked pictures with Siril crop--data-separator--4.png")
![](javascript:openlightbox(0,0,"C100 (c) Running Chicken Nelula 27-04-2024 150mm focal length 38X magnification 7s exposure ISO 500_50 stacked pictures with Siril nebula stretched--data-separator--5.png") "C100 (c) Running Chicken Nelula 27-04-2024 150mm focal length 38X magnification 7s exposure ISO 500_50 stacked pictures with Siril nebula stretched--data-separator--5.png")
![](javascript:openlightbox(0,0,"C64 (Pirate--replace-by-simple--s Jewels Cluster) 21-04-2024 150mm focal length 23X magnification 8s exposure ISO 320 28stacked picutures--data-separator--6.png") "C64 (Pirate's Jewels Cluster) 21-04-2024 150mm focal length 23X magnification 8s exposure ISO 320 28stacked picutures--data-separator--6.png")
![](javascript:openlightbox(0,0,"C64 (Pirate--replace-by-simple--s Jewels Cluster) 21-04-2024 150mm focal length 83X magnification 8s exposure ISO 320 27 stacked picutures--data-separator--7.png") "C64 (Pirate's Jewels Cluster) 21-04-2024 150mm focal length 83X magnification 8s exposure ISO 320 27 stacked picutures--data-separator--7.png")
![](javascript:openlightbox(0,0,"C76 02-06-2023 150mm reflector 750mm focal length 83x magnification 5s exposure ISO 300 27 stacked pictures with Siril---data-separator--17.png") "C76 02-06-2023 150mm reflector 750mm focal length 83x magnification 5s exposure ISO 300 27 stacked pictures with Siril---data-separator--17.png")
![](javascript:openlightbox(0,0,"C91 (The Wishing Well Cluster) 01-07-2024 150mm reflector 750mm focal length 125X magnification 10s exposure ISO 700 36 stacked picture with Siril--data-separator--15.png") "C91 (The Wishing Well Cluster) 01-07-2024 150mm reflector 750mm focal length 125X magnification 10s exposure ISO 700 36 stacked picture with Siril--data-separator--15.png")
![](javascript:openlightbox(0,0,"C91 (Wishing Well Cluster) 12-05-2024 150mm focal length 38X magnification 7s exposure ISO 300 45 stacked picutures--data-separator--8.png") "C91 (Wishing Well Cluster) 12-05-2024 150mm focal length 38X magnification 7s exposure ISO 300 45 stacked picutures--data-separator--8.png")
![](javascript:openlightbox(0,0,"C91 (Wishing Well Cluster)30-04-2024 150mm focal length 38X magnification 5s exposure ISO 400 63 stacked picutures--data-separator--9.png") "C91 (Wishing Well Cluster)30-04-2024 150mm focal length 38X magnification 5s exposure ISO 400 63 stacked picutures--data-separator--9.png")
![](javascript:openlightbox(0,0,"C95 23-07-2023 150mm reflector 750mm focal length 38x magnification 8s exposure ISO 300 21 stacked pictures with Siril--data-separator--33.png") "C95 23-07-2023 150mm reflector 750mm focal length 38x magnification 8s exposure ISO 300 21 stacked pictures with Siril--data-separator--33.png")
![](javascript:openlightbox(0,0,"C97 01-07-2024 150mm reflector 750mm focal length 125X magnification 10s exposure ISO 700 36 stacked picture with Siril--data-separator--15.png") "C97 01-07-2024 150mm reflector 750mm focal length 125X magnification 10s exposure ISO 700 36 stacked picture with Siril--data-separator--15.png")
![](javascript:openlightbox(0,0,"C97 (Pearl CLuster) 30-04-2024 150mm focal length 125X magnification 5s exposure ISO 800 64 stacked picutures--data-separator--10.png") "C97 (Pearl CLuster) 30-04-2024 150mm focal length 125X magnification 5s exposure ISO 800 64 stacked picutures--data-separator--10.png")
![](javascript:openlightbox(0,0,"C97 (The Pearl Cluster) 09-06-2024 150mm reflector 750mm focal length 83X magnification 5s exposure ISO 300 90 stacked pictures with Siril--data-separator--15.png") "C97 (The Pearl Cluster) 09-06-2024 150mm reflector 750mm focal length 83X magnification 5s exposure ISO 300 90 stacked pictures with Siril--data-separator--15.png")
![](javascript:openlightbox(0,0,"C97 The Pearl Cluster 27-04-2024 150mm focal length 38X magnification 7s exposure ISO 500_44 stacked pictures with Siril --data-separator--11.png") "C97 The Pearl Cluster 27-04-2024 150mm focal length 38X magnification 7s exposure ISO 500_44 stacked pictures with Siril --data-separator--11.png")
![](javascript:openlightbox(0,0,"IC 2581 23-05-2024 150mm reflector 750mm focal length 83X magnification 6s exposure ISO 500 48 pictures stacked with Siril--data-separator--15.png") "IC 2581 23-05-2024 150mm reflector 750mm focal length 83X magnification 6s exposure ISO 500 48 pictures stacked with Siril--data-separator--15.png")
![](javascript:openlightbox(0,0,"M24 02-06-2023 150mm reflector 750mm focal length166x magnification 10s exposure ISO 400 8 stacked pictures with Siril---data-separator--16.png") "M24 02-06-2023 150mm reflector 750mm focal length166x magnification 10s exposure ISO 400 8 stacked pictures with Siril---data-separator--16.png")
![](javascript:openlightbox(0,0,"M44 Beehive CLuster 19-04-2024 150mm focal length 38X magnification 1s exposure ISO 100_45 stacked pictures with Siril --data-separator--12.png") "M44 Beehive CLuster 19-04-2024 150mm focal length 38X magnification 1s exposure ISO 100_45 stacked pictures with Siril --data-separator--12.png")
![](javascript:openlightbox(0,0,"M6 01-07-2024 150mm reflector 750mm focal length 125X magnification 10s exposure ISO 700 25 stacked picture with Siril--data-separator--15.png") "M6 01-07-2024 150mm reflector 750mm focal length 125X magnification 10s exposure ISO 700 25 stacked picture with Siril--data-separator--15.png")
![](javascript:openlightbox(0,0,"M6 (The Butterfly Cluster) 01-07-2024 150mm 750mm 83X magnification focal length 15s exposure ISO 200 12 pictures stacked with Siril--data-separator--15.png") "M6 (The Butterfly Cluster) 01-07-2024 150mm 750mm 83X magnification focal length 15s exposure ISO 200 12 pictures stacked with Siril--data-separator--15.png")
![](javascript:openlightbox(0,0,"M7 22-08-2023 150mm reflector 750mm focal length 83x magnification 7s exposure ISO 400 22 pictures stacked with Siril--data-separator--35.png") "M7 22-08-2023 150mm reflector 750mm focal length 83x magnification 7s exposure ISO 400 22 pictures stacked with Siril--data-separator--35.png")
![](javascript:openlightbox(0,0,"M7 (Ptolemy Cluster) 01-07-2024 150mm reflector 750mm focal length 125X magnification 10s exposure ISO 700 19 stacked picture with Siril--data-separator--15.png") "M7 (Ptolemy Cluster) 01-07-2024 150mm reflector 750mm focal length 125X magnification 10s exposure ISO 700 19 stacked picture with Siril--data-separator--15.png")