Search found 52 matches

by Benni
Tue Feb 25, 2020 1:28 am
Forum: Deepsky Images
Topic: The Crescent Nebula in Ha and OIII
Replies: 2
Views: 1143

Re: The Crescent Nebula in Ha and OIII

its not only the crescent nebula. You also have pictured the soap bubble nebula. Look to the right above the crescend, in a diagonal line from the crescent to the edge of the image... the soap bubble nebula was only recently discovered by amateurs...
by Benni
Tue Feb 25, 2020 1:25 am
Forum: Deepsky Images
Topic: ngc 1499, asi 1600mm-cool
Replies: 0
Views: 83

ngc 1499, asi 1600mm-cool

ngc 1499, asi 1600mm-cool

Image
by Benni
Tue Feb 25, 2020 1:18 am
Forum: Cameras
Topic: is the tutorial about gain values valid for most apertures?
Replies: 2
Views: 619

Re: is the tutorial about gain values valid for most apertures?

Hi, the thing is that the asi 1600 has such a low noise level that one can make short exposures even with nebulas. My question was the following If I remember correctly, you have shown in your link with an f4 scope, and a stack of the crab nebula where each image has 10 seconds exposure time, that y...
by Benni
Tue Feb 25, 2020 12:58 am
Forum: Cameras
Topic: spacing requirement for a focal reducer
Replies: 7
Views: 859

Re: spacing requirement for a focal reducer

I guess you should buy a dedicated flat field scope. And even then, you will see image errors with the ASI. Unfortunately, most of the telescope/reducer systems were calculated for old noisy sensors with large pixels... A telescope with a suitable flat field for new cmos cameras will cost money. For...
by Benni
Sat Feb 08, 2020 11:44 pm
Forum: Cameras
Topic: is the tutorial about gain values valid for most apertures?
Replies: 2
Views: 619

is the tutorial about gain values valid for most apertures?

Hi, you have here made a tutorial which explains what gain value one should choose to get the highest snr from the asi 1600 and other cameras: https://astronomy-imaging-camera.com/tutorials/cooled-asi-camera-setting-in-ascom-driver.html For this tutorial, you have used an f4 telescope. You concluded...
by Benni
Sat Oct 12, 2019 1:53 am
Forum: SDK & Driver
Topic: driver problem
Replies: 14
Views: 3737

Re: driver problem

I think, well my thinkpad, officially, it does not support windows 7. But I ran Windows 7 nevertheless on it. Then I had the problem with the wire. This could have been be a small incompatibility with the chipset. Or something with the driver. I do not know. It appeared to occur mostly during winter...
by Benni
Fri Oct 11, 2019 6:48 pm
Forum: Deepsky Images
Topic: NGC 2239
Replies: 0
Views: 1380

NGC 2239

NGC 2239, ASI 1600 mm-c https://scontent-frx5-1.xx.fbcdn.net/v/t1.0-9/53760975_1886461461477398_5522706808780619776_o.jpg?_nc_cat=109&_nc_oc=AQmJrgbZtPgVuuGICC79ybF3p1zD56_qu5wfoZcph4x6W9qkNfM6P2W3ax1cf0oo25AyzxfetDQCyilgZIrE7OzD&_nc_ht=scontent-frx5-1.xx&oh=a8fd548cf990d63c5b6042b288840498&oe=5E2E6...
by Benni
Fri Oct 11, 2019 6:46 pm
Forum: Deepsky Images
Topic: ngc 7000
Replies: 0
Views: 1321

ngc 7000

ngc 7000, ASI 1600 mm-c https://scontent-frx5-1.xx.fbcdn.net/v/t1.0-9/67345060_2119405868182955_7926537203340017664_o.jpg?_nc_cat=110&_nc_oc=AQmIHBTBWH1_QJIqLKZuScWiPY6LEGADYD7I36JuIT4xAtre_zwlpaFL46KbYjaVQmG4zuN7Gji8DNm4-lvTixMa&_nc_ht=scontent-frx5-1.xx&oh=4537b954fa872c7e1a11fee9b0206e89&oe=5E1A1...
by Benni
Fri Oct 11, 2019 6:46 pm
Forum: Deepsky Images
Topic: ngc 6530
Replies: 0
Views: 1537

ngc 6530

ngc 6530, ASI 1600 mm-c, TS 65/420 https://scontent-frx5-1.xx.fbcdn.net/v/t1.0-9/65459087_2070167939773415_115947151871180800_o.jpg?_nc_cat=103&_nc_oc=AQlB0F1zjDTIi76hC1s9oVQNSnnurh_7sVZGcw_b0WQTO6Wf6fnsBKouPt2_--i8rIULpE5FfyO5owJqkc7yD0Gq&_nc_ht=scontent-frx5-1.xx&oh=d53d6bfcb88f4e3022d3014822cd431...
by Benni
Fri Oct 11, 2019 6:44 pm
Forum: Deepsky Images
Topic: ngc 6888, ASI 1600
Replies: 0
Views: 1262

ngc 6888, ASI 1600

ngc 6888 TS 65/420

Image