I live in Linköping, in southern Sweden, at 58.42° North, 15.61° East.
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Welcome to Owe Dahren´s Astronomy Page
This page contains my most recent astro photos and links to other pages with more images.
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3 Comets in the same image
2020-04-21 00.51 CEST Comets C/2019 Y4 (ATLAS), C2017/ T2 (PANSTARRS) and C2019 Y1 (ATLAS).
Exp. 5 sec. ASA 800 F/4 Canon 600D 18-55 mm at 25 mm. Cropped image size 30 x 15°
The comets covered 15-25 pixels, while the weakest stars covered only 4-5 pixels. The comets have been enhanced to be visible in this image, click to see full resolution.
Comet C/2019 Y1 (ATLAS)
The movement of Comet Y1 (ATLAS) during 30 minutes around midnight 20-21April 2020. Field: 1*1.5°
Exposure: 8 sec, f/5.6 ASA 1600 Canon 5mm5-250 at 250 mm.
Comet C/2019 Y4 (ATLAS)
2020-03-26 22.35 CEST Canon 600 D 55-250 mm at 55 mm, f/4.0 exp.30 sec ASA 1600 Field 6*4°
Solar halo over Linköping
2020-03-06 09-40 CEST Halo. Exposure: 1/2000 sec, f/11, ISO 100.
Comet C/2017 T2 (PANSTARRS)
2020-02-13 19.54 CEST Canon 600 D 85 mm, f/2.0 exp.30 sec ASA 1600 Field 2*1.5 °
Comet C/2018 W2 Africano
2019-09-23 23.43 CEST Canon 600D 55-250 mm, f/4.5 exp. 5x10 sec. ASA 1600. Field 3*1.8°
Comet C/2018 Y1 Iwamoto
2019-02-11 23.48 CET Canon 600D 85mm, f/1.8 exp. 10x2 sec. ASA 800. Field 7*4°
Comet 46P/Wirtanen
2018-12-10 00.18 Canon 600D 85mm, f/1.8 exp. 10x2 sec. Field 3*2°
Comet 21P Giacobini-Zinner
2018-09-03 00.43 Canon 600D 55-250 at 135mm, f/5.0 exp. 4x4 sec. 800ASA
Partial Solar Eclips August 11 2018
CEST
Total Lunar Eclipse July 27 2018.
Motala, 22.34 CEST. The eclipsed moon was very difficult to dicern in the evening light
23.16 Mars was easily visible above the horizon.
Nova V392 Persei, May 05, 2018.
Photo 2018-05-05 23.04 CEST
Magnitude approx. 9
Chart: AAVSO
Northern Lights over Kumla, November 7, 2017
Noctilucent Clouds over Kumla July 26, 2017
Penumbral lunar eclipse, September 16, 2016
All images ASA 200, 1/800 sec, f/5.0 Times in CEST
Mercury Transit, May 9, 2016
Images taken at 13.21 15.53 and 17.50 CEST
Comet C/2013 US10 Catalina
2016-01-31 C/2013 US10 Catalina Canon 600D 55-250 at 200 mm, f/5.6 exp. 5x58 sec. Field 2*1.5° Link to my comet page
Total Lunar Eclipse, September 28, 2015
The umbral shadow indicates the size of the Earth
Northern Lights over Kumla, September 7, 2015
Daylight lunar occultation of Aldebaran, April 21, 2015. Sun 2°4´ above horizon.
Comet C/2014 Q2 Lovejoy
2015-01-13 22.10 CET Comet C/2014 Q2 Lovejoy Canon 600D at 250 mm, f/5.6 exp. 8x58 sec. Field 2*3° Photog. tail approx.>2° Link to my comet page
Comet C/2014 E2 Jacques
2014-08-29 00.30 CST Comet C2014/E2 Jacques Canon 600D 55-250 at 150 mm, f/5.6 exp. 5x 58 sec. Field 5x4°
Comet C/2013 R1 Lovejoy
2013-12-01 18.12 CET Canon 600D 250 mm, f/5.6 exp.8x30sec, ISO 1600. Field 4x3° Tail approx. 2°
Comet C/2012 S1 ISON
Finally a clear morning! One of the last chances to see the comet before its perihelion.
No tail visible in binoculars. Photografic tail approx. 0.5° Full moon in the west.
2013-11-17 06.15 CET Canon 500D 55 mm, f/4 exp.13sec, ISO 400
2013-11-17 06.07 CET Canon 500D 150 mm, f/5 exp.3x15sec, ISO 400
Comet C/2013 R1 Lovejoy
2013-11-24 23.32 CET Canon 600D 55-250 at 200 mm, f/5.6 exp.9x30sec, ISO 800. M63, mag. 8.5 approx. 2° below the comet
Nova Delphini 2013
The Sky. Stars to Mag. 9
2013-08-17 23.23 CEST Canon 500D 250 mm f/5.6 exp.3.2 sec, ISO 3200
Comet C/2011 L4 PanSTARRS 2013
2013-03-13 19.08 CET. Canon 500D 18-55 at 55 mm, f/5,6 exp.2,5 sec ISO 200 Link to my comet page.
2013-03-14 19.10 CET Canon 500D 55-250 at 100 mm, f/5 exp.2 sec ISO 200
Comet C/2011 L4 PanSTARRS meets Andromeda Galaxy
2013-04-05 22.23 CEST Canon 500D 250 mm, f/5.6 exp.6x59sec, ISO 400
Venus transit June 6, 2012
Venus transit at 04.40 CEST
Venus transit at 06.43 CEST imaged unfiltered through clouds.
Comet C/2009 P1 Garradd, October 20, 2011
Canon 500D 55/250 at 200 mm, f/5,6 ISO 800. 3 x 1 min. stacked exp. FOV 2 x 1.3°
Comet 103P/Hartley, October 14, 2010
Canon 500D 55/250 at 250 mm, f/5,6 ISO 1600. 6 x 2 min. stacked exp. FOV 3 x 2°. NGC 1528 lower left
Comet 103P/Hartley, September 7, 2010.
Canon 500D 55/250 at 135 mm, f/5,0 ISO 800. 9 x 30 sec. stacked exposures. FOV 1,5x2,0°
Jupiter/Uranus conjunction September 7, 2010.
Angular separation 1,3°. Canon 500D 55/250 at 100 mm, f/5,0 20 sec, ISO 1600.
Venus and Mercury conjunction April 11, 2010.
Venus and Mercury. Ang. sep. 04°18' on April 11, 2010. See the Five planets conjunction in April 2002 on my Planet page.
Pleiades in sunshine?
No, the image was taken during a power black out in the light of the full moon. Exposure time 30 sec. f/4.0 and ISO 400
August 2008 Partial Solar Eclipse and Partial Lunar eclipse
Lunar eclipse August 16-17, 2008, at 21.30 23.10 and 00.30 CEST. Note the change in color between the moon at 7° and 17° above horizon. Series of 11 images on my lunar page.
Comets Holmes and Tuttle in the same image.
Solar eclipse August 1, 2008, at 10.42 11.32 and 12.32 CEST.
Pentax *ist DS 55 mm, f 1.8 exp. 66 sec. December 30, 2007 21.29 CET.
Comet 17P/Holmes
Comet Holmes' movement between October 24 and December 30, 2007. Pentax *ist DS 135 mm, f 3.5 exp. 30 sec. Fov 6 x 9°.
The surface brightness of the comet has decreased considerably in december. More images of comet Holmes on my comet page.
Comet Holmes on November 11, 2007, 21.51 CET.
Pentax *ist DS, 400 mm, f 6.3 exp. 74 sec. Fov 1.5 x 1°.
Lunar occultation of Saturn May 22, 2007
A couple of minuts after the end of the occultation on May 22, 2007 at 22.18 CEST,
Photo through the eyepiece of a 70 mm Meade ETX refractor.
Partial solar eclipse in Maspalomas, Gran Canaria, March 29, 2006
The images were taken every 15 minutes between 10.15 and 11.30 local time (UTC+1 hour). Link to my solar page.
The same method as to the left, but this time with the reflections in the filter showing the Maspalomas desert and hotels behind my back.
Thus the background is image reversed, but the sun is correctly imaged.
Partial solar eclipse October 3, 2005
The partly eclipsed sun seen through a handheld solar filter.
Venus Transit Comet 2004 Q2 Machholz. Aurora
Venus Transit June 8, 2004
31.1.05. Fov 3x5°. Pentax *ist DS 135 mm, f 3.5 90 sec.
Kumla, November 29, 2003
Partial Lunar Eclipse
August 16, 2008. Photographed in Kumla, Sweden
Total Lunar Eclipse
Total Solar Eclipse
August 11, 1999. Photographed in Vama Veche, Romania.
Comet Hale Bopp
March 29, 1997.
Iridium
Occultation
Aldebaran soon to be occulted by the moon
19.50 CET March 14, 1997
Nova
Nova Aquila 1999:2 on December 5, 1999
Northern Light
Aurora in Kumla November 29, 2003
The western horizon
Corona in zenit
Aurora in Kumla November 2, 2001
Hjortsberga September 25, 2000. Fujichrome film 55 mm f/1,8 20 sec.
Kumla October 22, 2001, Fujichrome, 55 mm f/1,8 20 sec
Aurora in front of Hale Bopp, April 4, 1997.
Aurora in the eastern sky.
Satellites
Iridium 74 flaring at magnitude -8 on March 3 2000 at 21.02.07 CET
Iridium 8 and 51 flaring at magnitudes -6 and -5 at 00.55 on August 16, 1998.
The Space Shuttle aiming at Mars on December 11, 2001. Exposure time 16 sec. Olympus C2040.
International Space Station ISS on April 5, 2002,
Exposure time 6 sec. Olympus C2040. Procyon at upper right.
Space station Mir passing below Spica on May 5th, 2000.
Venus Transit on June 8, 2004.
Owe Dahren´s Planets.
09.45 CEST
12.24 CEST
10.17 CEST
12.55 CEST
Conjunction in 2002
11.44 CEST
13.13 CEST
Five planets conjunction 21.55 on April 24, 2002. Exp. 1 sec f/1.8
Jupiter through 4.5 inch Newton
Jupiter's Galilean moons
Venus
Crescent Venus May 20, 2004
Imaged with Olympus C2040Z and Fujinon 10x70.
The New Moon and Venus among the clouds, 4 hours after the occultation on May 21, 2004. Separation 1.5°. Olympus C2040Z and Fujinon 10x70.
Venus in sunshine, at 21.47 CEST, June 10, 2002. The sun set 25 min. later. .
C2040Z 1/800 sec f/2,8.