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Comets

Comet C/2020 F3 Neowise
The comet is rising behind the transmission tower on top of Geissberg (Goat Mountain). Composite of 33 single exposures with 22 dark frames with Starry Landscape Stacker 1.8.0. See also my timelapse movie on YouTube. — EXIF: Nikon D3; Δt=6 s; f=70 mm; f/4.0; ISO 3200; 2020-07-10 2:57:35
Comet C/2020 F3 Neowise
Shooting the comet C/2020 F3 Neowise at dawn on Bözberg im canton Aargau. In the background the transmission tower on top of Geissberg (Goat Mountain). See also my timelapse movie on YouTube. — EXIF: Nikon D3; Δt=6 s; f=24 mm; f/4.0; ISO 1600; 2020-07-10 3:53:06
Comet C/2020 F3 Neowise
The comet C/2020 F3 Neowise at dawn on Bözberg im canton Aargau. In the background the transmission tower on top of Geissberg (Goat Mountain). See also my timelapse movie on YouTube. — EXIF: Nikon D3; Δt=6 s; f=70 mm; f/4.0; ISO 1600; 2020-07-10 4:03:13
Comet C/2020 F3 Neowise
HDR composite of the comet C/2020 F3 Neowise. 10 x ISO 800 20s + 10 x ISO 800 10s + 10 x ISO 800 5s + and 3 dark frames each. Post processing with Starry Sky Stacker, Photomatix Pro, Photoshop. Shot on 10 July 2020 on Bözberg in canton Aargau. Nikon D850 with Nikkor 300mm 2.8D, guided on a Vixen GP-DX mount with FS2 controller.
Comet C/2020 F3 Neowise
Rise of comet C/2020 F3 Neowise behind the transmission tower on top of Geissberg (Goat Mountain). Composite picture of multiple single frames. See also my timelapse movie on YouTube. — EXIF: 2020-07-10 2:48:41
Comet C/2020 F3 Neowise
Composite picture made of ten single frames of the comet C/2020 F3 Neowise. See also my timelapse movie on YouTube. — EXIF: Nikon D850; Δt=20 s; f=300 mm; f/2.8; ISO 800; 2020-07-10 3:17:47
Comet C/2020 F3 Neowise
Composite image of comet C/2020 F3 Neowise. 10 exposures at ISO 1600 for 4 seconds with Nikon D850 and Nikkor 300mm 2.8D at f/4. 4 dark frames. 1 flat frame. Guided with Vixen GP-DX mount. Unfortunately the faint ion tail is not visible. It was taken at dusk and later that night there were thin clouds coming. 13 July 2020, Bözberg. — EXIF: Nikon D850; Δt=4 s; f=300 mm; f/4.0; ISO 1600; 2020-07-12 23:13:06
Comet C/2020 F3 Neowise
Composite image of comet C/2020 F3 Neowise. Comet: 10 frames at ISO 3200 with 10 seconds exposure time. Nikon D850 with Nikkor 300mm 2.8D at f/2.8, guided with Vixen GP-DX mount. Forest in the foreground without guiding used as mask. 13 July 2020, Bözberg.
Comet C/2020 F3 Neowise
I'm not quite sure if the dark stripe left of the ion tail an artefact caused by image processing or actual the comets shadow in its own clowd of dust. The star trails show the comets movement during a time period of 40 minutes. Stack of 67 frames with ISO 800 and 30 seconds exposure time, stacked aligned on comet core with Nebulosity from Stark Labs. Postprocessing with Photoshop. Nikon D850 with Nikkor 300mm 2.8D, Ibergeregg, Switzerland 20 July 2020
Comet C/2020 F3 Neowise
16 frames with ISO 800 and 30 seconds exposure time, stacked aligned on stars with Nebulosity. Nikon D850 with Nikkor 300mm 2.8D, Ibergeregg, Switzerland, 20 July 2020

Stars

web20200710_D850_M31.jpg
web20200710_D850_M31.jpg — EXIF: Nikon D850; Δt=30 s; f=300 mm; f/2.8; ISO 800; 2020-07-09 23:42:18
web20200710_D850_M31_crop.jpg
web20200710_D850_M31_crop.jpg — EXIF: Nikon D850; Δt=30 s; f=300 mm; f/2.8; ISO 800; 2020-07-09 23:42:18
Milky Way in Constellation Cygnus
Stack of 50 x 120s at ISO 1600,15 dark frames, 15 flat frames. Nikon D3 and Nikkor 24-70mm 2.8G at f/4, guided with SkyWatcher StarAdventurer Pro. Stacking with Starry Sky Stacker, post processing with Photoshop. Friday, 18 September 2020 on Glaubenberg Pass, Switzerland. Picture in full resolution. — EXIF: Nikon D3; Δt=120 s; f=50 mm; f/4.0; ISO 1600; 2020-09-18 21:26:05

Bern

Two Young Bulls
Brokeback Mountain on Gurnigel - Two young bulls enjoy themselves in the morning sun. — EXIF: iPhone 8; Δt=1/923 s; f=3.99 mm; f/1.8; ISO 20; 2020-08-15 7:16:55

Weather

A flash
August 1st Fireworks of a special kind: a few million volts are discharged in a flash. Most of the thunderstorm cell passed north of Basel. — EXIF: Nikon D850; Δt=20 s; f=24 mm; f/4.0; ISO 64; 2020-08-02 0:03:13

Uri

Intschi-Arnisee cable car
View from the cable car to the Arnisee back to the valley station in Intschi. We had hauled all our ice diving gear up with several trips. — EXIF: iPhone 8; Δt=1/476 s; f=3.99 mm; f/1.8; ISO 20; 2020-02-28 14:48:31
Lake Arni
Wintry impressions of Lake Arni. — EXIF: iPhone 8; Δt=1/1920 s; f=3.99 mm; f/1.8; ISO 20; 2020-02-28 15:11:22
Lake Arni
Wintry impressions of Lake Arni. The mountain peaks in the background, which are reflected so beautifully in the water, are the Gross Windgällen (3187 m above sea level) and the Chli Windgällen (2986 m above sea level). — EXIF: iPhone 8; Δt=1/3437 s; f=3.99 mm; f/1.8; ISO 25; 2020-02-28 15:14:14
Lake Arni
Wintry impressions of Lake Arni. The mountain in the background with the waft of fog at the summit is the Bristen (3073 m above sea level). — EXIF: iPhone 8; Δt=1/2525 s; f=3.99 mm; f/1.8; ISO 20; 2020-02-28 15:15:07
Arnisee
Mountain station of the Intschi-Arnisee cable car. The mountain in the background with the waft of fog at the summit is the Bristen (3073 m above sea level). — EXIF: iPhone 8; Δt=1/2825 s; f=3.99 mm; f/1.8; ISO 20; 2020-02-28 15:50:47
Ice diving in Lake Arni
Ice diving in Lake Arni. Unfortunately the weather wasn't as nice as it was on the day of arrival yesterday. At least we could save ourselves the hole sawing. Here's another ice diving video. — EXIF: iPhone 8; Δt=1/1117 s; f=3.99 mm; f/1.8; ISO 20; 2020-02-29 9:32:29
DateChanges
2020-12-17The Deep-Sky Corner moves to a dedicated domain deepskycorner.ch. The domain deepsky.ch was already occupied by a domain grabber who wanted 588 Swiss francs for it.
2020-10-13Upgrade to Bootstrap 4.5.3.
2020-10-11Revival of the astro!nfo Deep-Sky Corner, temporarily under nies.ch/deepsky.
2020-09-19Milky Way photo with Nikon D3 during an observation night at Glaubenberg pass. The Nikon D850 was in repair.
2020-08-22Time lapse movie Mirasteilas 2020
2020-08-16Time lapse movie Starparty 2020
2020-08-021st of August lightning
2020-07-20Further pictures of comet C/2020 F3 Neowise on Ibergeregg
2020-07-19Further pictures of comet C/2020 F3 Neowise on Bözberg
2020-07-14Further pictures of comet C/2020 F3 Neowise on Bözberg
2020-07-10First pictures of Comet C/2020 F3 Neowise on Bözberg. Photo of the Andromeda Galaxy, while I was waiting for the rise of the comet.
2020-07-08Update Passwort-Generator
2020-05-15Guide Anleitung Check_MK mit SMS Notifikation über SMSEagle
2020-05-07Guide Cisco ASA Multicontext Firewall Backup