Nordic Optical Telescope

Program: 70-501 Sollerman ea

External Project: Extragalactic transient classifications for the Vera Rubin Observatory Community

Observing instructions:

Scripts:
~obs/scripts/70-501/

In this directory you will find the OB compiled scripts. Please execute the requested scripts.

P70 tracking
P71 tracking
P72 tracking

Program Tracking

Proposal 70-501

Semester P73: 20260401 - 20261001

Principal Investigator Jesper Sollerman

Programme External Project: Extragalactic transient classifications for the Vera Rubin Observatory Community

Instrument ALFOSC

Time Allocation 35 hours ToO and 35 hours SoftToO

Total Nights 7N

Type ToO/SoftToO

Notes

Total Time Spent 08:53 (hh:mm)

Proposal Date Time Type Targets Files Comments Status

70-501 2026-04-05 00:38 SoftToO ZTF25abrpnbo ALJd050104 - ALJd050110 Observed with clear skies and dusty conditions. Observed

70-501 2026-04-07 00:53 SoftToO ZTF26aapviim, ZTF26aaotmuq ALJd070139 - ALJd070145, ALJd070150 - ALJd070157 Both targets observed successfully with clear sky and varying seeing around 1.5" Observed

70-501 2026-04-11 01:06 SoftToO ZTF26aaevcyh, ZTF26aamqluf ALJd110074 - ALJd110080, ALJd110154 - ALJd110161 Clear skies all night. First observation was carried out under sub-arcsec seeing, for second observation seeing had risen to around 1.5". Observed

70-501 2026-04-12 00:30 SoftToO ZTF26aajlqje ALJd120107 - ALJd120116 OK Observed

70-501 2026-04-13 00:35 SoftToO ZTF26aagbzjn ALJd130202 - ALJd130209 OK Observed

70-501 2026-04-14 01:03 SoftToO ZTF26aakjynh, ZTF26aaptong ALJd140137 - ALJd140144, ALJd140148 - ALJd140155 Both observed with clear skies and seeing around 3". Observed

70-501 2026-04-15 00:34 SoftToO ZTF26aafwcnw ALJd150089 - ALJd150096 Observed with clear skies and good seeing. Observed

70-501 2026-04-16 00:28 SoftToO ZTF26aarfiot ALJd160176 - ALJd160183 Observed under thin clouds and seeing around 1.8". Observed

70-501 2026-04-23 00:17 ToO ZTF26aatswhm ALJd230097 - ALJd230104 Observed under clear skies and seeing around 1.1". Observed

70-501 2026-04-27 01:31 SoftToO ZTF26aatlolu, ZTF26aatyciy ALJd270167 - ALJd270174, ALJd270204 - ALJd270211 Observed with clear skies and seeing 0.6" - 0.8". Observed

70-501 2026-04-30 00:06 SoftToO ZTF26aatljht ALJd300181 - ALJd300181 Failed as the OB seemingly has the wrong coordinates. The observed field doesn't match the finding chart. Failed

70-501 2026-05-01 00:36 SoftToO ZTF26aatljht ALJe010070 - ALJe010076 Target observed with seeing staying below 1" and with clear skies. Observed

70-501 2026-05-03 00:36 SoftToO ZTF26aasmtfl ALJe030131 - ALJe030137 CTRL+C'd first OB due to poor seeing. Observed

The above information is collected from the ToO/Mon reports that have been created by the observer.

Should any of the observations have been carried out using the OB system, you will find additional information HERE

Last modified: May 06 2026