Table 2: Observing dates of the different epochs. The sources are observed in two groups. The first group consists of M 33, NGC 2403 and M 82, while NGC 4736, NGC 5204 and the two FOVs in NGC 5457 belonging to the second group.
Epoch Group 1 Group 2 Configuration

1 2 June 4 June A

2 3 July 3 July A

3 28 July 5 July A

4 18 Aug. 17 Aug. A

5 7 Sep. 30 Aug. A or AnB

6 15 Sep. 15 Sep. AnB

7 03 Oct. 07 Oct. AnB

8 16 Oct. 18 Oct. B

**Table 2:** Observing dates of the different epochs. The sources are observed in two groups. The first group consists of M 33, NGC 2403 and M 82, while NGC 4736, NGC 5204 and the two FOVs in NGC 5457 belonging to the second group.
Epoch	Group 1	Group 2	Configuration
1	2 June	4 June	A
2	3 July	3 July	A
3	28 July	5 July	A
4	18 Aug.	17 Aug.	A
5	7 Sep.	30 Aug.	A or AnB
6	15 Sep.	15 Sep.	AnB
7	03 Oct.	07 Oct.	AnB
8	16 Oct.	18 Oct.	B

Source LaTeX | All tables | In the text

	1 Introduction
	2 Observations
	3 Observational results
	4 Theoretical interpretations
	5 Conclusions
	Appendix A: The LLAGN in NGC 4736
	References