M101 Pinwheel Galaxy

Galaxy Messier M101, the Pinwheel galaxy is located in Ursa Major and about 21million lightyears away from Earth.

This is so far my longest exposure I ever made. With almost 2h30m and taking 292 pictures each 30s exposure. The picture was taken with Nikon D7500 and TAL200K f/8.5. Setting : ISO6400 including darks and 292 pictures 30s exposure each. Raw data converted to DNG and stacking using DeepSkyStacker with final editing using CS4.

Comet C/2019 Y4 Atlas with TAL200K

Comet C/2019 Y4 Atlas in constellation Ursa Major captured with Nikon D7500 and TAL200K f/8.5. Setting : ISO3200 and 60s exposure time. DNG picture editing using CS4.

Comet C/2019 Y4 Atlas

Comet C/2019 Y4 Atlas with Nikon D7500 and TAL200K f/8.5. Setting ISO3200 and 30s exposure time.

Periodic System for Amateur Astronomer Completed

The challenge of "Periodic System for Amateur Astronomer" is finally completed. Almost two years to complete all objects. All objects photographed with Nikon DSLR (D60 and D7500).

M104 Sombrero Galaxy

Messier M104, Sombrero Galaxy is located in constellation Virgo and about 50million ly from Earth.
Picture was taken with Nikon D7500 and TLAPO80/480 f/6. Setting : ISO3200 with darks and 44pictures, each 30s - total exposure time 22min. Raw data converted to DNG and stacking using DeepSkyStacker and final editing in CS4.

Comet C/2019 Y4 Atlas

Yesterday evening pictures were taken of Comet C/2019 Y4 Atlas. The comet is almost visible with the naked eye (magnitude 8) and can be seen in constellation Ursa Major.
Picture taken with Nikon D7500 and TLAPO 80/480 f/6. Setting : ISO3200 and 30s. Also a sequence was made of 23minutes. Raw pictures converted to DNG and stacking using DeepSkyStacker with final editing in CS4.

Long exposure of 23minutes

Coming up close approach of Venus and Pleiades M45

Block your agenda : April 3 and 4, 2020; close approach of Venus and Pleiades, the open star cluster M45. This is visible with the naked eye.
On thursday I took the picture below with Venus still south of the open star cluster.